package jsp;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @author 石小俊
 */
@WebServlet("/show/*")
public class ShowTwoServlet extends HttpServlet {
    @Override
    protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        String uri = req.getRequestURI();
        System.out.println("uri:" + uri);

        String contextPath = req.getContextPath();
        System.out.println("contextPath:" + contextPath);
        String servletPath = req.getServletPath();
        System.out.println("servletPath:" + servletPath);
        // 截取字符串,从uri的指定索引位置截取到末尾
        String path = uri.substring((contextPath + servletPath).length());
        System.out.println("path:" + path);
        req.getRequestDispatcher("/WEB-INF" + path + ".jsp").forward(req, resp);
    }
}
